stiffen

vt.变硬

stick to sth, stick together, stick up, stick with, stick with sb/sth, stick-in-the-mud, stick-on, stick-up, sticker, stickily, stickiness, sticking-plaster (also plaster), stickleback, stickler, stickpin, sticky, sticky fingers, sticky tape, stiff, stiff-necked, stiffener, stiffening, stiffly, stiffness, stifle, stifling, stiflingly, stigma, stigmata, stigmatize, stigmatize, stigmatise, stile, stiletto, stiletto heel, still, still birth, still life, stillborn, stillness, stilt,